Solutions by everydaycalculation.com
1224 - 1424 is -112.
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Related: 12/24-28/24 12/48-14/24 12/24-14/48 36/24-14/24 12/24-42/24 12/72-14/24 12/24-14/72 60/24-14/24 12/24-70/24 84/24-14/24 12/24-98/24
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